.\" Copyright 1996 Daniel Quinlan (Daniel.Quinlan@linux.org)
.\"
+.\" %%%LICENSE_START(GPLv2+_DOC_FULL)
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
-.\" License along with this manual; if not, write to the Free
-.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
-.\" USA.
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.\" 2007-12-14 mtk Added Reiserfs, XFS, JFS.
.\"
-.TH FILESYSTEMS 5 2010-05-24 "Linux" "Linux Programmer's Manual"
+.TH FILESYSTEMS 5 2014-01-15 "Linux" "Linux Programmer's Manual"
.nh
.SH NAME
-filesystems \- Linux file-system types: minix, ext, ext2, ext3, ext4, Reiserfs,
+filesystems \- Linux filesystem types: minix, ext, ext2, ext3, ext4, Reiserfs,
XFS, JFS, xia, msdos,
umsdos, vfat, ntfs, proc, nfs, iso9660, hpfs, sysv, smb, ncpfs
.SH DESCRIPTION
When, as is customary, the
.B proc
-file system is mounted on
+filesystem is mounted on
.IR /proc ,
you can find in the file
.I /proc/filesystems
-which file systems your kernel currently supports.
-If you need a currently unsupported one, insert the corresponding
+which filesystems your kernel currently supports;
+see
+.BR proc (5)
+for more details.
+If you need a currently unsupported filesystem, insert the corresponding
module or recompile the kernel.
-In order to use a file system, you have to
+In order to use a filesystem, you have to
.I mount
it; see
.BR mount (8).
-Below a short description of a few of the available file systems.
+Below a short description of a few of the available filesystems.
.TP 10
.B "minix"
-is the file system used in the Minix operating system, the first to run
+is the filesystem used in the Minix operating system, the first to run
under Linux.
-It has a number of shortcomings: a 64MB partition size
-limit, short filenames, a single timestamp, etc.
+It has a number of shortcomings, including a 64MB partition size
+limit, short filenames, and a single timestamp.
It remains useful for floppies and RAM disks.
.TP
.B ext
is an elaborate extension of the
.B minix
-file system.
+filesystem.
It has been completely superseded by the second version
-of the extended file system
+of the extended filesystem
.RB ( ext2 )
and has been removed from the kernel (in 2.1.21).
.TP
.B ext2
-is the high performance disk file system used by Linux for fixed disks
+is the high performance disk filesystem used by Linux for fixed disks
as well as removable media.
-The second extended file system was designed as an extension of the
-extended file system
+The second extended filesystem was designed as an extension of the
+extended filesystem
.RB ( ext ).
.B ext2
offers the best performance (in terms of speed and CPU usage) of
-the file systems supported under Linux.
+the filesystems supported under Linux.
.TP
.B ext3
-is a journaling version of the ext2 file system.
+is a journaling version of the ext2 filesystem.
It is easy to
switch back and forth between ext2 and ext3.
.TP
plus large increases in volume, file, and directory size limits.
.TP
.B Reiserfs
-is a journaling file system, designed by Hans Reiser,
+is a journaling filesystem, designed by Hans Reiser,
that was integrated into Linux in kernel 2.4.1.
.TP
.B XFS
-is a journaling file system, developed by SGI,
+is a journaling filesystem, developed by SGI,
that was integrated into Linux in kernel 2.4.20.
.TP
.B JFS
-is a journaling file system, developed by IBM,
+is a journaling filesystem, developed by IBM,
that was integrated into Linux in kernel 2.4.24.
.TP
.B xiafs
-was designed and implemented to be a stable, safe file system by
-extending the Minix file system code.
+was designed and implemented to be a stable, safe filesystem by
+extending the Minix filesystem code.
It provides the basic most
requested features without undue complexity.
The
.B xia
-file system is no longer actively developed or maintained.
+filesystem is no longer actively developed or maintained.
It was removed from the kernel in 2.1.21.
.TP
.B msdos
-is the file system used by DOS, Windows, and some OS/2 computers.
+is the filesystem used by DOS, Windows, and some OS/2 computers.
.B msdos
filenames can be no longer than 8 characters, followed by an
optional period and 3 character extension.
.TP
.B umsdos
-is an extended DOS file system used by Linux.
+is an extended DOS filesystem used by Linux.
It adds capability for
long filenames, UID/GID, POSIX permissions, and special files
-(devices, named pipes, etc.) under the DOS file system, without
+(devices, named pipes, etc.) under the DOS filesystem, without
sacrificing compatibility with DOS.
.TP
.B vfat
-is an extended DOS file system used by Microsoft Windows95 and Windows NT.
-VFAT adds the capability to use long filenames under the MSDOS file system.
+is an extended DOS filesystem used by Microsoft Windows95 and Windows NT.
+VFAT adds the capability to use long filenames under the MSDOS filesystem.
.TP
.B ntfs
-replaces Microsoft Window's FAT file systems (VFAT, FAT32).
+replaces Microsoft Window's FAT filesystems (VFAT, FAT32).
It has reliability, performance, and space-utilization enhancements
plus features like ACLs, journaling, encryption, and so on.
.TP
.B proc
-is a pseudo file system which is used as an interface to kernel data
+is a pseudo filesystem which is used as an interface to kernel data
structures rather than reading and interpreting
.IR /dev/kmem .
In particular, its files do not take disk space.
.BR proc (5).
.TP
.B iso9660
-is a CD-ROM file system type conforming to the ISO 9660 standard.
+is a CD-ROM filesystem type conforming to the ISO 9660 standard.
.RS
.TP
.B "High Sierra"
Linux supports High Sierra, the precursor to the ISO 9660 standard for
-CD-ROM file systems.
+CD-ROM filesystems.
It is automatically recognized within the
.B iso9660
-file-system support under Linux.
+filesystem support under Linux.
.TP
.B "Rock Ridge"
Linux also supports the System Use Sharing Protocol records specified
by the Rock Ridge Interchange Protocol.
They are used to further describe the files in the
.B iso9660
-file system to a Unix host, and provide information such as long
+filesystem to a UNIX host, and provide information such as long
filenames, UID/GID, POSIX permissions, and devices.
It is automatically recognized within the
.B iso9660
-file-system support under Linux.
+filesystem support under Linux.
.RE
.TP
.B hpfs
is the High Performance Filesystem, used in OS/2.
-This file system is
+This filesystem is
read-only under Linux due to the lack of available documentation.
.TP
.B sysv
-is an implementation of the SystemV/Coherent file system for Linux.
+is an implementation of the SystemV/Coherent filesystem for Linux.
It implements all of Xenix FS, SystemV/386 FS, and Coherent FS.
.TP
.B nfs
-is the network file system used to access disks located on remote computers.
+is the network filesystem used to access disks located on remote computers.
.TP
.B smb
-is a network file system that supports the SMB protocol, used by
+is a network filesystem that supports the SMB protocol, used by
Windows for Workgroups, Windows NT, and Lan Manager.
.sp
To use
.B smb
fs, you need a special mount program, which can be found in the ksmbfs
package, found at
-.IR ftp://sunsite.unc.edu/pub/Linux/system/Filesystems/smbfs .
+.UR ftp://sunsite.unc.edu\:/pub\:/Linux\:/system\:/Filesystems\:/smbfs
+.UE .
.TP
.B ncpfs
-is a network file system that supports the NCP protocol, used by
+is a network filesystem that supports the NCP protocol, used by
Novell NetWare.
.sp
To use
.BR ncpfs ,
you need special programs, which can be found at
-.IR ftp://linux01.gwdg.de/pub/ncpfs .
-.SH "SEE ALSO"
+.UR ftp://linux01.gwdg.de\:/pub\:/ncpfs
+.UE .
+.SH SEE ALSO
.BR proc (5),
.BR fsck (8),
.BR mkfs (8),
.BR mount (8)
+.SH COLOPHON
+This page is part of release 3.67 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.
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